Solving Log Equations

Solving Log Equations

9th - 11th Grade

10 Qs

quiz-placeholder

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Solving Log Equations

Solving Log Equations

Assessment

Quiz

Mathematics

9th - 11th Grade

Easy

Created by

Sally Rovane

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve

 log18(64n)=log182n\log_{18}\left(6-4n\right)=\log_{18}2n  

 10-10  

 198\frac{19}{8}  

 11  

 52\frac{5}{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log20(p+6)=log204p\log_{20}\left(p+6\right)=\log_{20}4p   

 13-13  

No Solution

 22  

 99  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log20(5k+8)=log20(4k7)\log_{20}\left(5k+8\right)=\log_{20}\left(4k-7\right)  

 9-9  

No Solution

 12-12  

 99  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log15(v2+5v)=log15(v)\log_{15}\left(v^2+5v\right)=\log_{15}\left(-v\right)  

 {2,8}\left\{2,8\right\}  

 {6,9}\left\{-6,-9\right\}  

 {6}\left\{-6\right\}  

 {9, 22}\left\{-9,\ -22\right\}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log12(v24v)=log12(40+2v)\log_{12}\left(v^2-4v\right)=\log_{12}\left(40+2v\right)  

 {10}\left\{10\right\}  

 {4}\left\{-4\right\}  

 {10,4}\left\{10,-4\right\}  

 {6, 8}\left\{6,\ -8\right\}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log56+log5(x10)=1\log_56+\log_5\left(x-10\right)=1  

 656\frac{65}{6}  

 2514\frac{25}{14}  

 3535  

 2828  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve
 log4(x+4)log47=2\log_4\left(x+4\right)-\log_47=2  

 8-8  

 6464  

 108108  

 263\frac{26}{3}  

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